import java.util.Scanner;

public class PrintX {
    public static void main(String[] args) {
        Scanner len = new Scanner(System.in);
        while (len.hasNextInt()) {
            int n = len.nextInt();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < n; j++) {
                    if (i == j || (i + j) == n - 1) {
                        System.out.print("*");
                    }
                    else {
                        System.out.print(" ");
                    }
                }
                System.out.println();
            }
        }
    }
}